Athena Technology Acquisition Corp. II

Athena Technology Acquisition Corp. II, listed on Nasdaq under the ticker ATEK, is a blank-check company sponsored by Athena Technology Management and focused on the technology and sustainability sectors. The vehicle completed its initial public offering in 2021 as the second SPAC in the Athena Technology franchise. On April 30, 2026, the company filed an S-4/A amendment with the SEC under accession number 0001213900-26-049589, indicating that its proposed business combination remains active and in the regulatory registration process. An S-4/A represents an update to previously submitted merger registration materials and typically precedes a shareholder vote on the transaction. Investors and analysts seeking complete filing history, deal timelines, and target details for ATEK can sign up for full data on SpacDesk.